Just comes down to it, MDian and Sciz are huge threats to Dragon and Fairy respectively that require pretty specific counterplay.

Also Dragon REALLY needs 1)better priority (we have exactly 3 priority users, 1 of which is completely unviable and one is Sucker Punch Latias) and 2) a Knock Off user (there is exactly 1 Dragon-type KnockOffer, and it's not only Uber, but can't even be used in Mono Ubers.)

The only KnockOffer is Ultra Necrozma who doesn't have Dragon in any of its base formes. Dragon's only priority is Espeed Dnite, Sucker Punch Latias and Sucker Punch Druddigon.
I frequently came to the mono chat some time ago and I saw your name in the "users" section quite a few times but you were probably AFK when I was online (PS name is Genesis Escaval). Now I'm more active on my league on Azure.